1 files changed, 194 insertions, 0 deletions
diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptFragment.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptFragment.java
new file mode 100644
index 000000000..4c0c80742
--- /dev/null
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/ui/DecryptFragment.java
@@ -0,0 +1,194 @@
+/*
+ * Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Message;
+import android.os.Messenger;
+import android.support.v4.app.Fragment;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.ImageView;
+import android.widget.RelativeLayout;
+import android.widget.TextView;
+
+import com.beardedhen.androidbootstrap.BootstrapButton;
+import com.devspark.appmsg.AppMsg;
+
+import org.openintents.openpgp.OpenPgpSignatureResult;
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+import org.sufficientlysecure.keychain.pgp.PgpKeyHelper;
+import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
+import org.sufficientlysecure.keychain.ui.dialog.PassphraseDialogFragment;
+import org.sufficientlysecure.keychain.util.Log;
+
+public class DecryptFragment extends Fragment {
+    private static final int RESULT_CODE_LOOKUP_KEY = 0x00007006;
+
+    protected long mSignatureKeyId = 0;
+
+    protected RelativeLayout mSignatureLayout = null;
+    protected ImageView mSignatureStatusImage = null;
+    protected TextView mUserId = null;
+    protected TextView mUserIdRest = null;
+
+    protected BootstrapButton mLookupKey = null;
+
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        mSignatureLayout = (RelativeLayout) getView().findViewById(R.id.signature);
+        mSignatureStatusImage = (ImageView) getView().findViewById(R.id.ic_signature_status);
+        mUserId = (TextView) getView().findViewById(R.id.mainUserId);
+        mUserIdRest = (TextView) getView().findViewById(R.id.mainUserIdRest);
+        mLookupKey = (BootstrapButton) getView().findViewById(R.id.lookup_key);
+        mLookupKey.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                lookupUnknownKey(mSignatureKeyId);
+            }
+        });
+        mSignatureLayout.setVisibility(View.GONE);
+        mSignatureLayout.setOnClickListener(new OnClickListener() {
+            public void onClick(View v) {
+                lookupUnknownKey(mSignatureKeyId);
+            }
+        });
+    }
+
+    private void lookupUnknownKey(long unknownKeyId) {
+        Intent intent = new Intent(getActivity(), ImportKeysActivity.class);
+        intent.setAction(ImportKeysActivity.ACTION_IMPORT_KEY_FROM_KEYSERVER);
+        intent.putExtra(ImportKeysActivity.EXTRA_KEY_ID, unknownKeyId);
+        startActivityForResult(intent, RESULT_CODE_LOOKUP_KEY);
+    }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        switch (requestCode) {
+
+            // this request is returned after LookupUnknownKeyDialogFragment started
+            // ImportKeysActivity and user looked uo key
+            case RESULT_CODE_LOOKUP_KEY: {
+                Log.d(Constants.TAG, "Returning from Lookup Key...");
+                if (resultCode == Activity.RESULT_OK) {
+                    // decrypt again
+//                    decryptStart();
+                }
+                return;
+            }
+
+            default: {
+                super.onActivityResult(requestCode, resultCode, data);
+
+                break;
+            }
+        }
+    }
+
+    protected void onSignatureResult(OpenPgpSignatureResult signatureResult) {
+        mSignatureKeyId = 0;
+        mSignatureLayout.setVisibility(View.GONE);
+        if (signatureResult != null) {
+
+            mSignatureKeyId = signatureResult.getKeyId();
+
+            String userId = signatureResult.getUserId();
+            String[] userIdSplit = PgpKeyHelper.splitUserId(userId);
+            if (userIdSplit[0] != null) {
+                mUserId.setText(userId);
+            } else {
+                mUserId.setText(R.string.user_id_no_name);
+            }
+            if (userIdSplit[1] != null) {
+                mUserIdRest.setText(userIdSplit[1]);
+            } else {
+                mUserIdRest.setText(getString(R.string.label_key_id) + ": "
+                        + PgpKeyHelper.convertKeyIdToHex(mSignatureKeyId));
+            }
+
+            switch (signatureResult.getStatus()) {
+                case OpenPgpSignatureResult.SIGNATURE_SUCCESS_UNCERTIFIED: {
+                    mSignatureStatusImage.setImageResource(R.drawable.overlay_ok);
+                    mLookupKey.setVisibility(View.GONE);
+                    break;
+                }
+
+                // TODO!
+//                            case OpenPgpSignatureResult.SIGNATURE_SUCCESS_CERTIFIED: {
+//                                break;
+//                            }
+
+                case OpenPgpSignatureResult.SIGNATURE_UNKNOWN_PUB_KEY: {
+                    mSignatureStatusImage.setImageResource(R.drawable.overlay_error);
+                    mLookupKey.setVisibility(View.VISIBLE);
+                    AppMsg.makeText(getActivity(),
+                            R.string.unknown_signature,
+                            AppMsg.STYLE_ALERT).show();
+                    break;
+                }
+
+                default: {
+                    mSignatureStatusImage.setImageResource(R.drawable.overlay_error);
+                    mLookupKey.setVisibility(View.GONE);
+                    break;
+                }
+            }
+            mSignatureLayout.setVisibility(View.VISIBLE);
+        }
+    }
+
+    protected void showPassphraseDialog(long keyId) {
+        // Message is received after passphrase is cached
+        Handler returnHandler = new Handler() {
+            @Override
+            public void handleMessage(Message message) {
+                if (message.what == PassphraseDialogFragment.MESSAGE_OKAY) {
+                    String passphrase =
+                            message.getData().getString(PassphraseDialogFragment.MESSAGE_DATA_PASSPHRASE);
+                    decryptStart(passphrase);
+                }
+            }
+        };
+
+        // Create a new Messenger for the communication back
+        Messenger messenger = new Messenger(returnHandler);
+
+        try {
+            PassphraseDialogFragment passphraseDialog = PassphraseDialogFragment.newInstance(getActivity(),
+                    messenger, keyId);
+
+            passphraseDialog.show(getActivity().getSupportFragmentManager(), "passphraseDialog");
+        } catch (PgpGeneralException e) {
+            Log.d(Constants.TAG, "No passphrase for this secret key, encrypt directly!");
+            // send message to handler to start encryption directly
+            returnHandler.sendEmptyMessage(PassphraseDialogFragment.MESSAGE_OKAY);
+        }
+    }
+
+    protected void decryptStart(String passphrase) {
+
+    }
+
+}